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Flowers of sulfur : ウィキペディア英語版 | Flowers of sulphur Flowers of sulphur (US flowers of sulfur) is a very fine form of bright yellow sulphur powder obtained by sublimation. Known as ' by apothecaries and in older scientific works. ==Production== Flowers of sulphur were traditionally produced by sublimation of naturally occurring brimstone deposits. Hence the alternative name "flowers of brimstone". The residue left by the process was known as ''sulphur vivum''. Impurities and moisture could cause acid residue in the product so it was often washed, the result being known as washed flowers of sulphur or '.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Flowers of sulphur」の詳細全文を読む
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